Home / 138,793.82-208,125.69-50,035.58

Finding the Fourth Proportional to 138,793.82, 208,125.69 and 50,035.58

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Solution

The fourth proportional to 138,793.82, 208,125.69 and 50,035.58 is: 75,029.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,793.82 : 208,125.69 = 50,035.58 : x
  2. Step 2: Convert to fraction form
    138,793.82/208,125.69 = 50,035.58/x
  3. Step 3: Cross multiply
    138,793.82x = 208,125.69 × 50,035.58
  4. Step 4: Simplify right side
    138,793.82x = 10,413,689,612.05
  5. Step 5: Solve for x
    x = 10,413,689,612.05/138,793.82
  6. Step 6: Final answer
    x = 75,029.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.